public SkyDriveService(
     ILiveLogin liveLogin,
     BookTool bookTool,
     ICatalogRepository catalogRepository)
 {
     _liveLogin         = liveLogin;
     _bookTool          = bookTool;
     _catalogRepository = catalogRepository;
 }
 public BookmarksPivotViewModel(
     ThisBookBookmarksViewModel thisBookBookmarksViewModel,
     AllBooksBookmarksViewModel allBooksBookmarksViewModel,
     INavigationService navigationService,
     IBookRepository bookRepository,
     IBookmarkRepository bookmarkRepository,
     BookmarksController bookmarksController,
     BookTool bookTool)
 {
     _thisBookBookmarksViewModel = thisBookBookmarksViewModel;
     _allBooksBookmarksViewModel = allBooksBookmarksViewModel;
     _navigationService          = navigationService;
     _bookRepository             = bookRepository;
     _bookmarkRepository         = bookmarkRepository;
     _bookmarksController        = bookmarksController;
     _bookTool = bookTool;
 }